/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 周斌
 * Date: 2024-06-30
 * Time: 9:49
 */
public class Main {
    public boolean canThreePartsEqualSum(int[] arr) {
        int n = arr.length;
        int sum1 = 0;
        int sum2 = 0;
        int sum3 = 0;
        for (int i = 0; i < n-1; i++) {
            int j = i+1;
            sum1 += arr[i];
            
            if(i + 1 < j && )
        }
    }
    public static void main(String[] args) {

    }
}
